Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
33 + 10 = ______
5 × 10 = ______
15 + 20 = ______
66 − 10 = ______
35 + 20 = ______
8 × 10 = ______
94 − 10 = ______
46 − 10 = ______
36 − 10 = ______
64 + 20 = ______
45 − 10 = ______
3 × 10 = ______
1 × 10 = ______
77 + 10 = ______
83 + 10 = ______
9 × 10 = ______
20 + 20 = ______
30 + 20 = ______
88 + 10 = ______
37 + 10 = ______
